<!-- eslint-disable vue/multi-word-component-names -->
<template>
  <div>
    <!-- 面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>

    <el-card>
      <!-- 这是搜索与添加区域 -->
      <!-- 添加栏栅布局以及添加间隔 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <!-- 当点击清空搜索框组件 就会调用clear绑定的事件方法 -->
          <el-input clearable @clear="getGoodsList" placeholder="请输入内容" v-model="queryInfo.query"
            class="input-with-select">
            <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddPage">添加商品</el-button>
        </el-col>
      </el-row>
      <!-- table表格区域 -->
      <el-table :data="goodsList" border stripe>
        <el-table-column type="index" label="#">
        </el-table-column>
        <el-table-column label="商品名称" prop="goods_name" width="500px">
        </el-table-column>
        <el-table-column label="商品价格(元)" prop="goods_price" width="95px">
        </el-table-column>
        <el-table-column label="商品重量" prop="goods_weight" width="70px">
        </el-table-column>
        <el-table-column label="创建时间" prop="add_time" width="140px">
          <template slot-scope="scope">
            {{  scope.row.add_time | dateFormat  }}
          </template>
        </el-table-column>
        <el-table-column label="操作" width="130px">
          <template slot-scope="scope">
            <el-button size="mini" type="primary" icon="el-icon-edit">

            </el-button>
            <el-button @click="removeGoodsById(scope.row)" size="mini" type="danger" icon="el-icon-delete">

            </el-button>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区 -->
      <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum" :page-sizes="[5, 10, 15, 20]" :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper" :total="total" background>
      </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  data() {
    return {
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      // 商品列表
      goodsList: [],
      // 商品总数
      total: 10
    }
  },
  created() {
    this.getGoodsList()
  },
  methods: {
    // 根据分页获取对应的商品列表
    async getGoodsList() {
      // get参数都要添加一个params进行属性绑定
      const { data: res } = await this.$http.get('goods', { params: this.queryInfo })
      if (res.meta.status !== 200) {
        return this.$message.error('获取商品列表失败！')
      }
      this.$message.success('获取商品列表成功！')
      console.log(res)
      console.log(res.data.total)
      this.total = res.data.total
      this.goodsList = res.data.goods
    },
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize
      this.getGoodsList()
    },
    handleCurrentChange(newNum) {
      this.queryInfo.pagenum = newNum
      this.getGoodsList()
    },
    async removeGoodsById(row) {
      const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除')
      }
      const { data: res } = await this.$http.delete(`goods/${row.goods_id}`)
      if (res.meta.status !== 200) {
        return this.$message.error('删除失败！')
      }
      this.$message.success('删除成功！')
      this.getGoodsList()
    },
    goAddPage() {
      // 通过路由跳转到指定的页面
      this.$router.push('/goods/add')
    }
  }
}

</script>
<style lang="less" scoped>
</style>
